CANTON, Mass., Feb. 11, 2016 (GLOBE NEWSWIRE) — Collegium Pharmaceutical, Inc. (Nasdaq:COLL) announced that the District Court of Massachusetts issued an order for final judgment in favor of Collegium and against plaintiffs Purdue Pharma L.P., The P.F. Laboratories, Inc., Purdue Pharmaceuticals L.P., and Rhodes Technologies. The judgment relates to Purdue’s three Orange Book-listed patents asserted against Collegium that were the cause of the 30 month stay imposed on our New Drug Application for Xtampza™ ER…